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Source OpenAPI: 0xArchive API 1.6.1; 151 paths; 141 component schemas. Get historical aggregate HIP-3 breadth snapshots. Each row reports the percentage of eligible instruments above their current UTC-session VWAP and its auditable counts. Eligibility excludes instruments with no session volume or a last completed candle older than 5 minutes, so coverage varies by market hours. start and end are Unix timestamps in milliseconds. If omitted, start defaults independently to now minus 24 hours and end defaults to now; the start default is not derived from a supplied end. The optional interval downsamples by selecting the last stored snapshot in each bucket; percentages are never averaged because the denominator can vary. The optional cursor is an epoch-millisecond timestamp from meta.next_cursor and is exclusive. Validated snapshots are stored every minute when the calculation passes its invariants; failed or invalid calculations do not create a row. calculated_at is the UTC cutoff used to calculate each validated snapshot, not a source-freshness guarantee. HIP-3 history begins 2026-08-28; there is no pre-launch history.

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Status 200

Historical HIP-3 breadth snapshots

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Status 400

Invalid request

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OpenAPI example

Status 401

Authentication required

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OpenAPI example

Status 429

Rate limit exceeded

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OpenAPI example
Last modified on September 8, 2026